Frank Cheng — 11 Patents at AT&T

Frank Cheng has been granted 11 US patents while listed as an inventor at AT&T. The first was granted in 1993 and the most recent in September 2024. Frank Cheng ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Frank Cheng in Spring Valley, NY, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12099123	Methods and apparatus for characterizing point cloud data for autonomous vehicle systems	Kun Geng, Hao Li, Matthew Jeremy Sarett	2024-09-24
11320723	Scanning of objects	Danny Ding, Thien-Greg Ngoc Nguyen	2022-05-03	$6,451,000
11070179	Apparatus and method for measuring speaker transducer impedance versus frequency with ultralow inaudible signal	Ruoxin Jiang, Zhong You	2021-07-20	$6,178,000
9628063	Asymmetrically-switched modulation scheme	Dan Shen, Lingli Zhang	2017-04-18	$8,133,000
6558957	Detection systems and methods for predicting the dissolution curve of a drug from a pharmaceutical dosage form	Kurt Roinestad, Philip J. Palermo, Kevin Bynum	2003-05-06
6174497	Detection systems and methods for predicting the dissolution curve of a drug from a pharmaceutical dosage form	Kurt Roinestad, Philip J. Palermo, Kevin Bynum	2001-01-16
6081583	Post call directory entry device and method	Randall J. Penning	2000-06-27	$73,613,000
6035046	Recorded conversation method for evaluating the performance of speakerphones	Darren A. Kall, Peter A. Larsson, Scott M. Pennock, Terry Spencer	2000-03-07	$101,147,000
5838783	Smart directory management	Randall J. Penning, Michael D. Porter	1998-11-17	$34,598,000
5737392	Two-pass directory entry device and method	Randall J. Penning, Michael D. Porter	1998-04-07	$31,978,000
5189128	Solution stable polyimide resin systems	Taishih Maw, Gina R. Kritchevsky	1993-02-23

Frank Cheng — 11 Patents

Issued Patents All Time

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